diff options
Diffstat (limited to 'bs4/element.py')
-rw-r--r-- | bs4/element.py | 64 |
1 files changed, 35 insertions, 29 deletions
diff --git a/bs4/element.py b/bs4/element.py index 587078c..729ab36 100644 --- a/bs4/element.py +++ b/bs4/element.py @@ -1,9 +1,6 @@ +import collections import re import types -try: - from htmlentitydefs import name2codepoint -except ImportError: - name2codepoint = {} from bs4.dammit import EntitySubstitution DEFAULT_OUTPUT_ENCODING = "utf-8" @@ -13,12 +10,12 @@ class PageElement(object): """Contains the navigational information for some part of the page (either a tag or a piece of text)""" - def setup(self, parent=None, previous=None): + def setup(self, parent=None, previous_element=None): """Sets up the initial relations between this element and other elements.""" self.parent = parent - self.previous = previous - self.next = None + self.previous_element = previous_element + self.next_element = None self.previousSibling = None self.nextSibling = None if self.parent and self.parent.contents: @@ -52,14 +49,14 @@ class PageElement(object): #this element (and any children) hadn't been parsed. Connect #the two. lastChild = self._last_recursive_child() - nextElement = lastChild.next + nextElement = lastChild.next_element - if self.previous: - self.previous.next = nextElement + if self.previous_element: + self.previous_element.next_element = nextElement if nextElement: - nextElement.previous = self.previous - self.previous = None - lastChild.next = None + nextElement.previous_element = self.previous_element + self.previous_element = None + lastChild.next_element = None self.parent = None if self.previousSibling: @@ -100,14 +97,14 @@ class PageElement(object): previousChild = None if position == 0: newChild.previousSibling = None - newChild.previous = self + newChild.previous_element = self else: previousChild = self.contents[position-1] newChild.previousSibling = previousChild newChild.previousSibling.nextSibling = newChild - newChild.previous = previousChild._last_recursive_child() - if newChild.previous: - newChild.previous.next = newChild + newChild.previous_element = previousChild._last_recursive_child() + if newChild.previous_element: + newChild.previous_element.next_element = newChild newChildsLastElement = newChild._last_recursive_child() @@ -122,18 +119,18 @@ class PageElement(object): if not parent: # This is the last element in the document. break if parentsNextSibling: - newChildsLastElement.next = parentsNextSibling + newChildsLastElement.next_element = parentsNextSibling else: - newChildsLastElement.next = None + newChildsLastElement.next_element = None else: nextChild = self.contents[position] newChild.nextSibling = nextChild if newChild.nextSibling: newChild.nextSibling.previousSibling = newChild - newChildsLastElement.next = nextChild + newChildsLastElement.next_element = nextChild - if newChildsLastElement.next: - newChildsLastElement.next.previous = newChildsLastElement + if newChildsLastElement.next_element: + newChildsLastElement.next_element.previous_element = newChildsLastElement self.contents.insert(position, newChild) def append(self, tag): @@ -223,6 +220,14 @@ class PageElement(object): findParents = find_parents # BS3 fetchParents = find_parents # BS2 + @property + def next(self): + return self.next_element + + @property + def previous(self): + return self.previous_element + #These methods do the real heavy lifting. def _find_one(self, method, name, attrs, text, **kwargs): @@ -260,7 +265,7 @@ class PageElement(object): def next_elements(self): i = self while i: - i = i.next + i = i.next_element yield i @property @@ -274,7 +279,7 @@ class PageElement(object): def previous_elements(self): i = self while i: - i = i.previous + i = i.previous_element yield i @property @@ -688,11 +693,11 @@ class Tag(PageElement): def recursive_children(self): if not len(self.contents): raise StopIteration # XXX return instead? - stopNode = self._last_recursive_child().next + stopNode = self._last_recursive_child().next_element current = self.contents[0] while current is not stopNode: yield current - current = current.next + current = current.next_element # Old names for backwards compatibility def childGenerator(self): @@ -733,8 +738,9 @@ class SoupStrainer(object): if isinstance(markupName, Tag): markup = markupName markupAttrs = markup - callFunctionWithTagData = callable(self.name) \ - and not isinstance(markupName, Tag) + callFunctionWithTagData = ( + isinstance(self.name, collections.Callable) + and not isinstance(markupName, Tag)) if (not self.name) \ or callFunctionWithTagData \ @@ -795,7 +801,7 @@ class SoupStrainer(object): result = False if matchAgainst == True and type(matchAgainst) == types.BooleanType: result = markup != None - elif callable(matchAgainst): + elif isinstance(matchAgainst, collections.Callable): result = matchAgainst(markup) else: #Custom match methods take the tag as an argument, but all |